I presumed (that) he understood the rules.

我相信他明白这些规则。

《牛津词典》

He searched Hill's impassive face for some indication that he understood.

他在希尔没有表情的脸上搜寻着一些他理解的迹象。

《柯林斯英汉双解大词典》

The candidate said that he understood the heartbeat of the Hispanic community in California.

这位候选人说他了解加利福尼亚州的西班牙语裔美国人社区的特点。

《牛津词典》

He understood that someone using radio could affect many lives.

VOA: special.2010.01.31

He understood the interaction of particles of matter, and that's important to set the stage for the Rutherford experiment in Manchester about 10 years later.

他理解物质粒子之间的相互作用，这点很重要,对于10年后他在曼彻斯特搭设,用于卢瑟福实验的平台来说。

麻省理工公开课 - 固态化学导论课程节选

He understood the middle-west, he understood what Targita was doing in his novel, and that movie has a very different orientation from Citizen Kane.

在那里成长会很愉快,他懂得中西部,他懂得塔基塔小说描述的境况。

麻省理工公开课 - 电影哲学课程节选

"He understood what Jim's talent was, and he put the band together to make it work, " he said.

BBC: Doors co-founder Ray Manzarek dies at 74 in Germany

He understood the human condition with all its complexities and conveyed them with such sensitivity.

BBC: Rituparno Ghosh

More important, he understood how radical the Foundation Building was in its own time.

WSJ: Cooper Union's New Building, at 41 Cooper Square | By WSJ Architecture Critic Ada Louis Huxtable