Flaw (noun)

　　●A fault, mistake, or weakness, especially one that happens while something is being planned or made, or that causes something not to be perfect.

（缺陷，漏洞，過失）

　　Examples:　　

　　1.There's a fatal flaw in your reasoning.　　

　　2.I returned the material because it had a flaw in it.

　　Dire (adj.)

　　●Very serious or extreme.（嚴重的，極端的）

　　Examples:　　

　　1.These people are in dire need of help.　　

　　2.This decision will have dire consequences for local people.

　　Be no big deal (idiom)

　　●To not be a serious problem.

　　（沒什麼大不了，不是大問題）

　　Examples:　　

　　1.If I don't win it's no big deal.　　

　　2.We'll have to pay a little more - it's no big deal.

　　Carry sth through (phrasal verb)

　　●To complete something that was planned, often despite difficulties or opposition.（貫徹，執行）

　　Examples:　　

　　1.It's a tough job, and we're relying on you to carry it through.　　

　　2.It is doubtful whether it will be possible to carry through the education reforms.

　　Stand/stick out a mile (idiom)

　　●To be very easy to see or recognise.

（顯而易見，非常明顯）

　　Examples:　　

　　1.It sticks out a mile that you're new here.　　

　　2.Unfortunately the cover will need to be redesigned. The error in the image sticks out a mile.