- 尽心尽力 jìnxīnjìnlì striveto make an all-out effort; to do one's utmost with heart and soul
- 费尽心机 fèijìnxīnjī rack brainsto exhaust one's mental faculties in plotting or trying to find a solution; to take great pains
- 尽心竭力 jìnxīnjiélì utmost effortto spare no effort; to do one's utmost
- 用尽心机 yòngjìnxīnjī schemeto tax one's ingenuity
- 费尽心思 fèijìnxīnsi rack one's brainsto rack one's brains; to take great pains to think something through
- 尝尽心酸 chángjìnxīnsuān endure hardshipsto experience one's full share of sorrows
