'Dǎ lánqiú' literally combines 'dǎ' (to hit/beat/play, used for many sports) and 'lánqiú' (basketball, from 'lán' meaning 'basket' and 'qiú' meaning 'ball'). It functions as a verb phrase meaning 'to play basketball' — not just the physical act of hitting the ball, but the full activity of participating in the sport. This is a common pattern in Chinese where 'dǎ' serves as a generic verb for racket, ball, or team sports (e.g., dǎ pīngpāngqiú, dǎ yóuyǒng).

The phrase is used in everyday contexts: describing hobbies, school PE classes, weekend plans, or casual exercise. It’s neutral in register — appropriate for speaking with friends, writing in diaries, or reporting in news about youth sports. Unlike English, Chinese doesn’t use articles or infinitives here; 'dǎ lánqiú' stands alone as a complete verbal action, often appearing after subject pronouns or time expressions like 'měi tiān' (every day) or 'zài xuéxiào' (at school).