What are some your favourite 成语?

静水流深
卧薪尝胆
居安思危
汗牛充栋
白驹过隙
才高八斗
学富五车
韦编三绝

水到渠成
无忧无虑
心想事成
万事如意
万紫千红
十拿九稳

扬帆起航

I like these ：

一石二鸟 yī shí er niǎo ( means: Kill two birds with one stone )
一目十行 yīmùshíháng (means: take in ten lines at a glance )

Why ?
because they are easy to write, easy to understand, easy to remember

赛翁失马
白日做梦

五颜六色

五彩缤纷
五彩斑斓

1、wò xīn cháng dǎn
【卧 薪 尝 胆】：people use it to describe one who endures self-imposed hardships to strengthen one's resolve to realize one's ambition.
2、shì wài táo yuán
【世 外 桃 源】：it is used to mean an isolated, ideal world（A Haven of Peace and Happiness）
3、 yī míng jīng rén
【一 鸣 惊 人】：it is used to indicate that a person may rise from obscurity and achieve greatness.
these are some【成语】I like~(●'◡'●)so what are your favorite 【成语】？

笨鸟先飞（bèn niǎo xiān fēi）
1.clumsy birds have to start flying early; the slow need to start early

狐假虎威 (hú jiǎ hǔ wēi)
The story is about a fox and a tiger. It means to bully or frighten others relying on other people's power.

说到曹操 （曹操就到)
The first 4 characters should be enough. The equivalent of "Speak of the devil..."