一见钟情 　yī jiàn zhōng qíng: fall in love or become captivated at first sight

一举两得 　yī jŭ liăng dé: serve two purposes at once; kill two birds with one stone

大海捞针 　dà hăi lāo zhēn: fish for a needle in the ocean; be next to impossible

大开眼界　 dà kāi yăn jiè:  be an eye-opener; broaden one’s horizon

心心相印 　xīn xīn xiāng yìn: have heart-to-heart communion with each other; share the same feeling

心满意足 　xīn măi yì zú: be perfectly content; be completely satisfied