sword

柯林斯詞典

1. N-COUNT A sword is a weapon with a handle and a long sharp blade. 劍
2. PHRASE If you cross swords with someone, you disagree with them and argue with them about something. 爭(zhēng)論
...a candidate who's crossed swords with labour by supporting the free-trade pact. …一位因支持自由貿(mào)易協(xié)定而與工黨爭(zhēng)論的候選人。
3. PHRASE If you say that something is a double-edged sword, you mean that it has negative effects as well as positive effects. 雙刃劍
A person's looks are a double-edged sword. Sometimes it works in your favour, sometimes it works against you. 一個(gè)人的相貌是一把雙刃劍。有時(shí)它對(duì)你有利，有時(shí)又對(duì)你不利。