YOU SAID:
Shall out-tongue his complaints. 'Tis yet to know
INTO JAPANESE
彼の不平を口に出さなければならない。まだ知らない
BACK INTO ENGLISH
I must voice his complaints. I do not know yet
INTO JAPANESE
私は彼の不平を言わなければなりません。まだ知らない
BACK INTO ENGLISH
I have to complain about him. I do not know yet
INTO JAPANESE
私は彼について文句を言わなければなりません。まだ知らない
BACK INTO ENGLISH
I have to complain about him. I do not know yet
Come on, you can do better than that.