题目内容：

英语习语.翻译
1To have one's heart in one's month 2To have an old head on young shoulders 3To help a lame dog over a stile一共三句.习语或者谚语

优质解答

1.To have one's heart in one's month：to be very anxious or fearful
提心吊胆、紧张害怕
2.To have an old head on young shoulders
老成持重、年轻而识广、少年老成
3.To help a lame dog over a stile
雪中送炭、济人之急、帮助人渡过难关