急于 / 忙于 jíyú / mángyú
急于 / 忙于(jíyú / mángyú)means “急于 / 忙于: be anxious/eager to do / be busy with doing”. Both are 'adjective + 于' patterns taking a verb. Formation: 主语 + 急于 / 忙于 + 双音节动词/动词短语
急于 / 忙于: be anxious/eager to do / be busy with doing
HSK6Formation
主语 + 急于 / 忙于 + 双音节动词/动词短语
Explanation
Both are 'adjective + 于' patterns taking a verb. 急于 = 'be eager/impatient to do', often with a nuance of rushing: 急于求成 'be eager for quick success'. 忙于 = 'be busy with/doing': 忙于工作 'busy with work'. Both are followed by a verb or verb phrase and belong to the written register; casual speech uses 急着 / 忙着 + verb.
Examples
Note
Both take a verb after 于, not a noun. Spoken form: 急着/忙着 + verb.
FAQ
急于 / 忙于 — what does it mean and how is it used?
急于 / 忙于: be anxious/eager to do / be busy with doing. Both are 'adjective + 于' patterns taking a verb. 急于 = 'be eager/impatient to do', often with a nuance of rushing: 急于求成 'be eager for quick success'. 忙于 = 'be busy with/doing': 忙于工作 'busy with work'. Both are followed by a verb or verb phrase and belong to the written register; casual speech uses 急着 / 忙着 + verb.
急于 / 忙于 — how do you form it?
主语 + 急于 / 忙于 + 双音节动词/动词短语
急于 / 忙于 — any usage notes?
Both take a verb after 于, not a noun. Spoken form: 急着/忙着 + verb.