do your level best (to do something)DETERMINEDto try as hard as possible to do something 尽最大努力(去做某事) I’ll do my level best to help you. 我会尽最大努力帮助你。
do your level best (to do something)• We did our level best to look fascinated.• Even so he did his level best with the new ball.
→ do your level best (to do something) at level2(2)