tether

名词 tether:

1. restraint consisting of a rope (or light chain) used to restrain an animal
   同义词：leash, lead

动词 tether:

1. tie with a tether

1. A succession of illnesses has brought Joy to the end of her tether.
   一连害了好几场病，乔伊的身体已变得孱弱不堪，再也无法支撑下去了。
2. I've been looking after four young children all day and I really am at the end of my tether!
   我整天都在照料四个小孩，确实已筋疲力尽了！
3. The animals were fastened by tether.
   那群牲畜被绳子拴着。
4. He tethered his horse to a tree.
   他用绳子把马拴在树上。