单词scarce-as-hen-s-teeth
Volunteers to work seven days a week in helping others are as scarce as hen" s teeth.
一星期当七天义工去帮助他人，可很少见。
Million dollar donors to our university seem to be as scarce as hen"s teeth.
对我们大学捐款百万的人，似乎太少了。
Not only were qualified interpreters as scarce as hen"s teeth, but the gap in mentality was a million miles wide.
这不仅是因为那时合格的译员凤毛麟角，而且还因为双方的思维方式也相差十万八千里。
English and American hands were as scarce as hen"s teeth in this unhealthy place.
在这种有害健康的地方，英美籍的工人很少见。
On a stormy day, taxi cabs are as scarce as hen"s teeth.
在暴风雨的日子里，计程车几乎看不见。