投入
tóu​rù HSK4

invest

投入 tóu​rù
invest verb
To put resources, time, or capital into a project or business

公司决定向这个研发项目投入更多资金。

gōng​sī jué​dìng xiàng zhè gè yán​fā xiàng​mù tóu​rù gèng duō zī​jīn.

The company decided to invest more funds into this R&D project.

participate verb
to throw oneself into a task or activity; to get involved

全校师生都积极投入到校运会的准备中。

quán xiào shī​shēng dōu jī​jí tóu​rù dào xiào​yùn​huì de zhǔn​bèi zhōng.

All teachers and students are actively involved in the preparations for the school sports meet.

applied to verb
to put something into use or operation (typically referring to technology, funds, or personnel being assigned to a field or project)

这项技术已投入商用。

zhè xiàng jì​shù yǐ tóu​rù shāng​yòng.

This technology has been put into commercial use.

put into verb
to throw or put something physically into a container or place

他把硬币投入了自动售货机。

tā bǎ yìng​bì tóu​rù le zì​dòng shòu​huò​jī.

He dropped the coins into the vending machine.

absorbed adjective
to be deeply engrossed, focused, or emotionally involved in something

他听音乐听得很投入，完全没注意到我进来。

tā tīng yīn​yuè tīng de hěn tóu​rù, wán​quán méi zhù​yì dào wǒ jìn​lái.

He was so engrossed in the music that he didn't notice me come in.

Frequency
Movie subtitles
31.5 per million appears in 12% of films
Written text
126.6 per million

Details
HSK 2.0
Level 5
HSK 3.0
Level 4

Sources
Definitions
CC-CEDICTAI-generated definitions
Frequency data
SUBTLEX-CHBCC Corpus (BLCU)