| 吃力 | chī lì | to entail strenuous effort / to toil at a task / strenuous / laborious / strain | ![]() |
| 费劲 | fèi jìn | to require effort / strenuous | ![]() |
| 浩繁 | hào fán | vast / voluminous / many and varied / numerous / extensive amount of / exhaustive / heavy (expenditure) / arduous / strenuous / exhausting / draining / burdensome | ![]() |
| 赑屃 | Bì xì | (literary) (Chinese mythology) creature resembling a turtle with the head of a dragon, said to be capable of bearing great loads, often carved as plinths for steles in former times / (literary) strenuous / exerting great force | ![]() |
| 夜以继日 | yè yǐ jì rì | night and day (idiom) / continuous strenuous effort | ![]() |
| 吃力不讨好 | chī lì bù tǎo hǎo | arduous and thankless task (idiom) / strenuous and unrewarding | ![]() |
| 寒窗 | hán chuāng | a life of strenuous studies (idiom) | ![]() |
| 费力不讨好 | fèi lì bù tǎo hǎo | arduous and thankless task (idiom) / strenuous and unrewarding | ![]() |
