HSK C2/W2
Correct

温

/ wēn / 
Strokes

Definition

warm/lukewarm/temperature/to warm up/mild/soft/tender/to review (a lesson etc)/fever (TCM)/old variant of 瘟[wēn]

Example

As an Adjective
tepid; warm; lukewarm
1
Yù
粥
hái
还
wēn
温
zhāo
着
ne
呢
  
。

The porridge is still warm.

2
Wēnchá
温茶

lukewarm tea

As a Noun
temperature
As a Verb
warm up; heat up (to a moderate degree)
As a Verb
review; revise
Definition
gentle; tender; mild in temperament