翻译"他下定决心戒烟了吗?"

Has he decided to quit smoking?

Was he utterly ruthless in giving up smoking?
Has he made up his mind to give up smoking?
Has he set his sights on giving up smoking?
Has he set his face like a flint to give up smoking?
以上四种都可以

Has he make up his mind to quit smoking?

Has he made up his mind to quit smoking?
Did he show great resolution to give up smoking?
Did he resolve on quit smoking?
...

is he determinted to quit smoking?
has he made up his mind to quit smoking?
都行

is he deciding to quit smoking?

he decided to quit smoking?