YOU SAID:

he gagged, but started sucking, tears welling in his eyes.

INTO JAPANESE

彼は嫌悪感を覚えたが、しゃぶり始めた。

BACK INTO ENGLISH

He felt disgusted but began sucking.

INTO JAPANESE

彼はうんざりしたが、しゃぶり始めた。

BACK INTO ENGLISH

He was disgusted but began to suck.

INTO JAPANESE

彼はうんざりしたが吸い始めた。

BACK INTO ENGLISH

He was sick but started sucking.

INTO JAPANESE

彼は病気だったがしゃぶり始めた。

BACK INTO ENGLISH

He was ill but began sucking.

INTO JAPANESE

彼は病気だったがしゃぶり始めた。

BACK INTO ENGLISH

He was ill but began sucking.