When acts of altruism are exaggerated, they become hollow.

利他主义的行为被夸大之后，就成了虚伪。

youdao

Thou art not stone; but already hast thou become hollow by the numerous drops.

你不是石块，可是许多雨点已经滴穿了你。

youdao

Advantages of the open system will become hollow ones if its security can not be perfectly ensured.

只有保证了安全性，才能体现出开放系统的优越性。

youdao

Teaching and learning have become hollow, desperate acts punctuated by recess, lunch, and homecoming.

NPR: Seeking Solutions for the Nation's Broken Schools

Intimacy with Black Friday has become hollow.

NPR: Excerpt: 'The Mysterious Secret of the Valuable Treasure'

The argument that Parliament has become ineffectual must have a hollow ring to government ministers.

ECONOMIST: Bagehot