普通話/國語 - 成語 Cheng Yu that I have learned so far

經過過去多年中文的學習，我學到很多成語。比如説：

馬馬虎虎 mǎ ma hū hū - Used to describe something that is "so-so".
入鄉隨俗 rù xiāng suí sú - "When in Rome, do as the Romans do", follow the culture and traditions when visiting a foreign place.
亂七八糟 luàn qī bā zāo - a huge mess, "everything is in sixes and sevens!" (英國的熟語)
一見鍾情 yī jiàn zhōng qíng - Love at first sight.
畫龍點睛 huà lóng diǎn jīng - To add the vital finishing touch, the crucial point that brings the subject to life.
貓哭老鼠假慈悲 māo kū lǎo shǔ - A term to describe someone with "crocodile tears", fake empathy.
怦然心動 pēng rán xīn dòng - A trembling feeling of eagerness to do something, one example of this feeling is when a beautiful woman walks into the room that causes people to focus on her.
郎才女貌 láng cái nǚ mào - A well matched couple.
成熟優雅 chéng shú yōu yǎ - Used to describe a lady who is beautiful through her maturity and elegance.
風韻猶存 fēng yùn yóu cún - Used as a compliment for a lady that is still really beautiful or gorgeous despite her age.

我想學習多點成語, 你知道很多好用的成語嗎？

Some of my favorites I used in my workplace :)

一朝天子一朝臣, 

打蛇打在七寸上 

殺一惊众, = 殺雞惊猴 

天有不测風雲,人有旦夕祸福

花無百日紅, 人無千日好.

小时偷針,大时偷金

伴君如伴虎