我叔叔很有钱，但他太吝啬了，连生日礼物都不舍得买。

My uncle is wealthy but so ___tightfisted that he won't even buy birthday presents.

他对待预算如此吝啬，连基本的团队建设活动都取消了。

His ___tightfisted attitude towards the budget even canceled essential team-building activities.