天秤にかける

てんびんにかけるtenbinnikakeru

expression · ichidan verb

1. to weigh (one thing against another)
2. to compare (the relative merits of two options)
3. to weigh (something) on scales
4. to try to have it both ways
5. to play a double game
6. to have two strings to one's bow

Study it in Yanamino