기본숙어 17

---

There are no hard and fast rules for making decisions.

1. invariable
2. powerful
3. difficult
4. very easy

■ 변하지 않는. 강력한. 어려운. 쉬운

---

This old guy is very hard to deal with.

1. sensitive
2. sterile
3. stubborn
4. corruptible

■ 민감한. 불임의. 다루기 힘든. 부패할 수 있는

---