投机
tóujīTraditional 投機
to speculate; opportunistic
Every meaning
tóujī
- to speculate; opportunistic
- congenial; agreeing well
Its characters
- 投tóuto throw; to toss
- 机jīmachine; engine
Words with 投
Words with 机
Meanings are from Mandarin The Wild’s own dictionary. Levels follow the official HSK word list (the exam’s 2025 syllabus, levels 7–9 shown together).