give a word of advice

• 进一言

give a word of advice的用法和样例：

例句

1. A word and a stone let go cannot be recalled.
   一言既出，驷马难追。
2. The key to the sun's energetic fury is, in a word, magnetism.
   一言以蔽之，这种太阳能量爆发的关键是磁力问题。