get stuck—
1. become entangled in sand, snow, etc., so as to be unable to get away from a place:
- When we finally get stuck in the middle of the Sand Sea you’ll have to carry everything.
2. get involved with smth. so as to be unable to leave:
- Of all the days to get stuck out there, he has to pick this one.
get stuck in—(coll.) start doing smth. with enthusiasm and determination:
- Mrs. Wagner brought in two plates of food and told them to get stuck in.