合わせるは英語で
to match up

英語の定義

合わせる
1. v. (ja-vp, 合わせる, 合わさる)
2. v. (inflection of ja, 合う, , causative, tr=au)
3. v. put together
4. v. tune music, radio
5. v. add up to, amount to
6. v. match with
7. v. check with, check against
8. v. adapt oneself to, join in
9. v. blend, mix
塩と砂糖を合わせる - Mix salt and sugar
10. v. combine, fuse, merge
2つの自治体を合わせる - Combine two municipalities
11. v. (fishing) to raise a rod when a fish bites, thereby catching the fish
アタリがあったら合わせる - When it bites, I'll hook it