投入

とうにゅう

throw, investment, making (an electrical circuit)

JLPT N1

Character Breakdown

Meaning and Usage

The word 投入 (tóurù) primarily means to "invest" or "devote" resources such as time, money, or effort into something. It can describe both physical and mental engagement.

Common Contexts

  1. Investment of resources: Often used when talking about putting money, time, or energy into projects, education, or work.
  2. Emotional or mental involvement: Describes being deeply absorbed or dedicated to an activity or task.

Collocations and Patterns

Nuances

Using 投入 implies a strong, active commitment rather than a casual or passive involvement. It often conveys seriousness and dedication.

Common Confusion

Don't confuse 投入 with 投掷 (tóuzhì), which means "to throw" physically. 投入 is more abstract, relating to investment or immersion rather than literal throwing.

Example Sentences

He invested a lot of time in studying Chinese.

She devoted herself wholeheartedly to this job.

The government decided to invest more funds to support education.