YOU SAID:
I've lost any and all motivation to do homework today.
INTO JAPANESE
今日は宿題をするモチベーションを失ってしまった。
BACK INTO ENGLISH
I lost the motivation to do my homework today.
INTO JAPANESE
今日は宿題をする気持ちがなくなった。
BACK INTO ENGLISH
I don't feel like doing my homework today.
INTO JAPANESE
今日は宿題をする気がしない。
BACK INTO ENGLISH
I don't feel like doing my homework today.
You've done this before, haven't you.