使う, 遣う, つかう
Conjugated: 使って
Godan verb, Transitive
1. to use (a tool, method, etc.), to make use of, to put to use
2. to use (a person, animal, puppet, etc.), to employ, to handle, to manage, to manipulate
3. to use (time, money, etc.), to spend, to consume
4. to use (language), to speak
お湯を全部使わないで。
使って表す, 使って表わす, つかってあらわす
Expression, Godan verb, See 用いて表す
to express ... in terms of ...