Bringing a Knife to a Gunfight
Underequipped or unprepared
把刀带到枪战中，引申指装备不足或毫无准备
- If you haven't studied law, representing yourself in court is like bringing a knife to a gunfight.
Dead Eye
A good shooter, a good marksman
神枪手
- The sniper's a dead eye, he got me again.
Fall on One’s Sword
To accept blame; to sacrifice oneself
接受责备；牺牲自己
- After more than 30 years with the Australian Taxation Office — in a career recently described as “illustrious” by its chief — deputy commissioner Michael Cranston fell on his sword yesterday and resigned.
Go Nuclear
Use an extreme measure; because extremely angry
使用极端措施; 因为非常生气
- There was nothing I could do. I had to go nuclear.
Jump the Gun
Start doing something too soon
（尤指不经仔细考虑）过早地行动
- They've only just met - isn't it jumping the gun to be talking about marriage already?
Smoking Gun
Indisputable evidence of a crime
确凿的罪证
- The tape recordings provided prosecutors with the smoking gun they needed to prove he'd been involved in the conspiracy.
Sword of Damocles
Something that causes a feeling of constant threat.
达摩克利斯剑（比喻随时可能发生的祸事）
- The threat of a cut in funding is hanging over the Opera House like a sword of Damocles.
Straight Arrow
An honest, trustworthy person
正直而坦率的人
- Friends described Menendez as a straight arrow who rarely drank and was close to his family.
Twist/Turn the Knife (in Deeper)
Make someone’s suffering worse
揭人伤疤；往伤口上撒盐
- Just to turn the knife a little, he told me he'd seen my old girlfriend with her new man.
