snag

音标发音

The only snag is, I can't afford it!
惟一的困难是, 我付不起这钱!
It is to be expected that an experiment will sometimes run into a snag at first.
开始试验时有时不很顺手,也是很自然的.
A police clampdown on car thieves hit a snag when villains stole one of their cars.
警方打击偷车贼的行动遭遇了一点小挫折：匪徒偷走了一辆警车。
There is just one small snag—where is the money coming from?
只有一个小问题—钱从哪儿来？
The school deals exclusively with children of high academic ability. There is a snag though, it costs £9,600 a year.
这所学校只招收学习能力强的孩子，不过还有个小问题——它每年的学费高达9,600英镑。

(PROBLEM) a problem, difficulty, or disadvantage
(DAMAGE) a tear, hole, or loose thread in a piece of clothing or cloth caused by a sharp or rough object
(FOOD) informal for sausage
(DAMAGE) If you snag something, it becomes caught on a sharp object and tears.
(GET) to get or catch something by acting quickly
(PROBLEM) to cause problems or difficulties for someone or something

A snag is a small problem or disadvantage.
If you snag part of your clothing on a sharp or rough object or if it snags, it gets caught on the object and tears.