1.be grateful to someone's help
2.ask sb to be careful of fire
3.practise hard
4.try one's best to do sth
英语翻译1.感激某人的帮助——————2.叫某人小心火——————3.练习的很努力——————4.尽某人最大努力做某事—
1.be grateful to someone's help
2.ask sb to be careful of fire
3.practise hard
4.try one's best to do sth