| 1 | 忽然 | 忽然 | hū rán | hu1 ran2 | suddenly; all of a sudden | | |
| 2 | 忽视 | 忽視 | hū shì | hu1 shi4 | to neglect; to ignore | | |
| 3 | 忽 | 忽 | hū | hu1 | to neglect; to overlook; to ignore; suddenly; surname Hu | | |
| 4 | 忽略 | 忽略 | hū lüè | hu1 lu:e4 | to neglect; to overlook; to ignore | | |
| 5 | 忽而 | 忽而 | hū ér | hu1 er2 | suddenly; now (..., now...) | | |
| 6 | 忽地 | 忽地 | hū de | hu1 de5 | suddenly | | |
| 7 | 忽忽不乐 | 忽忽不樂 | hū hū bù lè | hu1 hu1 bu4 le4 | disappointed and unhappy; dispirited | | |
| 8 | 忽左忽右 | 忽左忽右 | hū zuǒ hū yòu | hu1 zuo3 hu1 you4 | now one extreme, now the other (idiom) | | |
| 9 | 忽悠 | 忽悠 | hū you | hu1 you5 | to rock; to sway; to flicker (e.g. of lights reflected on water); to flutter (e.g. of a flag); to trick sb into doing sth; to dupe; to con | | |
| 10 | 忽有所感 | 忽有所感 | hū yǒu suǒ gǎn | hu1 you3 suo3 gan3 | to have a sudden revelation, feeling, etc. (idiom) | | |
| 11 | 忽有忽无 | 忽有忽無 | hū yǒu hū wú | hu1 you3 hu1 wu2 | to suddenly appear and disappear (idiom) | | |
| 12 | 忽隐忽现 | 忽隱忽現 | hū yǐn hū xiàn | hu1 yin3 hu1 xian4 | intermittent; now you see it, now you don't | | |
| 13 | 忽喜忽忧 | 忽喜忽憂 | hū xǐ hū yōu | hu1 xi3 hu1 you1 | to fluctuate between hopes and fears (idiom) | | |
| 14 | 忽闻 | 忽聞 | hū wén | hu1 wen2 | to hear suddenly; to learn of sth unexpectedly | | |
| 15 | 忽微 | 忽微 | hū wēi | hu1 wei1 | minuscule quantity; minor matter | | |
| 16 | 忽哨 | 忽哨 | hū shào | hu1 shao4 | to whistle (with fingers in one's mouth); nowadays written 呼哨 | | |
| 17 | 忽上忽下 | 忽上忽下 | hū shàng hū xià | hu1 shang4 hu1 xia4 | to fluctuate sharply | | |
| 18 | 忽闪 | 忽閃 | hū shǎn | hu1 shan3 | to glitter; to gleam; to sparkle; to flash | | |
| 19 | 忽起忽落 | 忽起忽落 | hū qǐ hū luò | hu1 qi3 hu1 luo4 | sudden rise and sudden fall (idiom) | | |
| 20 | 忽鲁谟斯 | 忽魯謨斯 | hū lǔ mó sī | Hu1 lu3 mo2 si1 | old Chinese name for Hormuz; now called 霍尔木兹 | | |
| 21 | 忽冷忽热 | 忽冷忽熱 | hū lěng hū rè | hu1 leng3 hu1 re4 | now hot, now cold; (of one's mood, affection etc) to alternate | | |
| 22 | 忽忽悠悠 | 忽忽悠悠 | hū hū yōu yōu | hu1 hu1 you1 you1 | indifferent to the passing of time; careless | | |
| 23 | 忽忽 | 忽忽 | hū hū | hu1 hu1 | fleeting (of quick passage time); in a flash; distracted manner; vacantly; frustratedly | | |
| 24 | 忽发奇想 | 忽發奇想 | hū fā qí xiǎng | hu1 fa1 qi2 xiang3 | to suddenly get a wild idea (idiom) | | |
| 25 | 忽布 | 忽布 | hū bù | hu1 bu4 | hops | | |