在线
zàixiànTraditional 在線
online
Every meaning
zàixiàn
- online
- in-line (on the production line, as in 在线检测 in-line inspection)
- (slang) on point; up to standard
Its characters
Words with 在
Words with 线
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).