1.a pinch of 一撮;少许
例句:He put a pinch of salt on his food.
他在自己的食物上洒了一撮盐。
2.hold back 犹豫不决
例句:The administration had several reasons for holding back.
政府因为几个原因而犹豫不决。
3.played an important role 扮演重要的角色;发挥关键作用
例句:Literature websites have played an important role in this trend.
在这一潮流中,文学网站扮演了重要角色。
4.take a chance 冒险;尝试
例句:You take a chance on the weather if you holiday in the UK.
在英国度假,只有赌天气了。