He tries his best not to watch TV at night/inthe evening.最好用at night
或者He tries not to watch TV at night.
注意；try to do sth 表示尽力做某事.try doing sth表示试着做某事.
He tries his best not to watch TV at night/inthe evening.最好用at night
或者He tries not to watch TV at night.
注意；try to do sth 表示尽力做某事.try doing sth表示试着做某事.