脾性的英文：
humo(u)r
tendency

The veneer of good humor had vanished
和善脾性的伪装已经消失得无影无踪了。

A natural propensity or inclination;predisposition.
癖性，倾向天生的爱好或脾性;偏好

He had the endearing trait of asking questions and acknowledging answers
他有一种既喜欢发问、又有问必答的可亲可爱的脾性。

Mr. Weston is rather an easy, cheerful tempered man
魏斯吞先生是一个泰然自若、脾性轻快的人。

Had he known Boldwood's moods her blame would have been fearful, and the stain upon her heart ineradicable
倘若她知道博尔德伍德的脾性，她对自己的谴责将是极其强烈的，留在心头的斑痕也将是无法去除的。

There is a tendency towards regional cooperation.
有一种地区性合作的趋势。

There is a natural tendency for services to proliferate.
各种服务大量产生就成为一种自然的趋势。

Our dog has a tendency to wander.
我们的狗好迷路。

There is a tendency for unstressed vowels to disappear.
弱母音有消失的趋势。

Their tendency is gross and illiberal.
说这种话显得粗野，缺乏教养。