Y字头

A: Whenever I see someone else yawn , I start yawning too.
B: I’ve heard that yawning is contagious.
yawn
vi. 打呵欠
n. 呵欠
A: How do you keep your finances in such good shape?
B: I have an auditor check my books on a yearly basis.
yearly
a. 每年的，一年一度的
ad. 每年，一年一次地
A: that crop didn’t yield much this year.
B: Maybe the weather was too warm.
yield
vi. 1.(to) 屈服，服从；2.倒霉，垮掉
vt. 1.产生，出产；2.让出，放弃
n. 产量，收益
A: How did my window get broken?
B: I saw a youngster accidentally throw a baseball through it this morning.
youngster
n. 青年，年轻人；孩子