- 不由得 bùyóude can't helpcannot help doing something; to do something involuntarily
- 不由自主 bùyóuzìzhǔ involuntarily(idiom) involuntarily; cannot help oneself
- 身不由己 shēnbùyóujǐ involuntaryBeyond one's control; unable to do as one wishes due to circumstances; acting in spite of oneself.
- 不由分说 bùyóufēnshuō summarilyto allow no explanation
- 言不由衷 yánbùyóuzhōng insincereto say something without meaning it; speaking one thing while feeling or thinking another
- 行不由径 xíngbùyóujìng uprightlit. never taking a short-cut; fig. upright and honest
- 人在江湖,身不由己 rénzàijiānghú, shēnbùyóujǐ constrained by circumstancesyou can't always do as you like; one has to compromise in this world
- 小野不由美 Xiǎoyě Bùyóuměi Ono FuyumiOno Fuyumi (1960-), Japanese novelist