YOU SAID:

sir he knows what to do in a trench ingenuitive and fluent in french i mean

INTO JAPANESE

彼は、塹壕で何をすべきか知っている、巧妙でフランス語に堪能である

BACK INTO ENGLISH

he knows what to do in the trenches, is ingenious and proficient in French

INTO JAPANESE

彼は塹壕で何をすべきかを知っており、巧妙でフランス語が堪能である

BACK INTO ENGLISH

he knows what to do in the trenches and is ingenious and proficient in French

INTO JAPANESE

彼は塹壕で何をすべきかを知っており、巧妙でフランス語が堪能である

BACK INTO ENGLISH

he knows what to do in the trenches and is ingenious and proficient in French