Day 51
释义：n.an unexpected difficulty, obstacle, delay, etc.
=slight/little problem=obstacle=hindrance
=glitch=hiccup=snag=blip
例句：
1- The plan was executed without a hitch.
2-A slight hitch can lead to a deadly disaster.
3-There was a slight technical hitch which delayed the plane's take-off.
练习
1-翻译：周杰伦在北京顺利地举办了一场演唱会。
→Jay Chou held a concert in Beijing without a hitch.
参考翻译：
Jay Chou's concert in Beijing went off/was held without a hitch.
2-造句
场景：事情圆满结束了。
The whole thing came to an end without any hitch.
