…，且…
and moreover; and also (written 而且)
Structure
分句一 ，且 分句二
What it means
Written 'and moreover': opens a second clause after a comma and adds a point in the same direction. That clause is often short.
How it is built
Clause 1，且 + clause 2: 此药见效快，且副作用小 (This medicine works fast and has few side effects). In rules it adds a second requirement: 内容须真实，且不得涂改.
When to use it
Writing and formal speech: rules, forms, official letters and notices. In conversation say 而且 or 还. It can also join two qualities directly (重量轻且耐高温, 5-23).
Watch out
It links clauses or predicates, never two nouns: ✗ 老师且学生 ✓ 老师和学生. Do not confuse it with 且 'for now' (且慢, 姑且, 10-21) or with 尚且…何况… (2-19).
Examples
这段山路又窄又陡，且没有路灯，夜间不宜通行。
This stretch of mountain road is narrow and steep, and has no street lights either; it should not be used at night.
此药见效快，且副作用小。
This medicine works quickly and has few side effects.
时间紧，且任务重，大家要提前做好准备。
Time is short and the task is heavy, so everyone must prepare in good time.
Learn this in Lesson 255 · HSK 9+: 贺信与公函 (Congratulatory letters and official letters)
A dialogue, a reading, word cards with audio and a drill that uses it, in Learn Chinese with Bao. The first lessons of every level are free.
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