MANILA — The Philippine authorities beneath the famously foul-mouthed Rodrigo Duterte has at occasions performed its diplomacy with probably the most undiplomatic of language.

In coping with China, in contrast, Mr. Duterte has usually chosen honey over vinegar, afraid of the implications of lashing out. However on Monday, that didn’t cease his prime diplomat from doing precisely that.

“China, my pal, how politely can I put it? Let me see…,” wrote Teodoro Locsin Jr., Mr. Duterte’s overseas minister, in a tirade on his private Twitter account. Then, in direct and vulgar phrases, he demanded that Beijing pull its ships out of Manila’s waters within the South China Sea.

“What are you doing to our friendship?” he continued. “You. Not us. We’re making an attempt. You. You’re like an unpleasant oaf forcing your attentions on a good-looking man who desires to be a pal.”

The feedback by Mr. Locsin, a loquacious and generally controversial presence on Twitter, served as a punctuation mark to a strongly however extra soberly worded demand issued on Monday by the Philippine Division of Overseas Affairs.

It referred to as on China to take away its vessels from waters across the Kalayaan Island Group and the Scarborough Shoal, saying that Beijing had no “regulation enforcement rights within the areas.”

“The unauthorized and lingering presence of those vessels is a blatant infringement of Philippine sovereignty,” it added, stressing that Philippine maritime patrols and coaching workouts within the areas have been a “legit and routine act of a sovereign nation in its territory.”

The division additionally protested “shadowing, blocking, harmful maneuver and radio challenges” by the Chinese language Coast Guard towards its Philippine counterpart across the Scarborough Shoal final week.

China has been largely ignoring Manila’s calls for for a pullout, holding dozens of vessels in Philippine waters, and Manila has responded by submitting each day diplomatic protests with Beijing.

The triangular chain of atolls and reefs that’s the topic of the dispute between the Philippines and China is nicely inside Manila’s financial zone, about 123 miles off Subic Bay in Luzon Island.

However the Chinese language authorities claims sovereignty over nearly your complete South China Sea, and it has drawn warnings from the Biden administration to not provoke battle because it strikes aggressively to prosecute these claims.

In 2016, simply as Mr. Duterte was assuming the presidency, the Philippines took its case towards China to a global arbitration court docket, and it dominated in favor of the Philippines.

Throughout his practically 5 years in energy, although, he has principally chosen to not antagonize China, hoping to maintain support from the large neighbor flowing. That stance stands in distinction to how Mr. Duterte has handled Barack Obama and the European Union, which have each been targets of his verbal assaults. Mr. Duterte has acknowledged his profane methods, saying at one level that God had suggested him to tone it down.

Final week, Mr. Duterte profusely thanked China for delivering Covid-19 vaccines to the nation, saying he was deeply indebted. And on Monday, he appeared to obtain his first dose of the Chinese language-made Sinopharm vaccine, in keeping with a livestream shared on Facebook by a Filipino lawmaker.

Nonetheless, the territorial points are a pink line of kinds for the Philippines, even when Mr. Duterte has at occasions sounded virtually apologetic in explaining his case.

He stated that Philippine patrols within the space wouldn’t stop, however that his nation didn’t wish to “hassle” China, particularly with “a struggle.”

“There are issues that aren’t actually topic to a compromise, comparable to us pulling again” our patrols, Mr. Duterte stated. “It’s troublesome. I hope they perceive, however I’ve the curiosity of my nation additionally to guard.”