They pretended that they were tourists.是什么意思？

They pretended that they were tourists.

他们假装是旅行者。

they

pron. 他/她/它们，人们，大家，政府，当局，她们；

例句
The storms had abated by the time they rounded Cape Horn.
他们绕过合恩角时，暴风雨已经减弱。

pretended

adj. 假装的，徒有外表的，传说的，号称的；v. 假装( pretend的过去式和过去分词 )，伪装，（尤指儿童）（在游戏中）装扮，自诩；

例句
As he drew abreast of the man he pretended to stumble.
当他赶上那个男人时，他装出了要跌倒的样子。

that

det. 那个，那；pron. 那个，那；conj. 多么，如此…以至，用于某些动词、形容词和名词后，引出各种从句；adv. 不那么，那样；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

tourists

n. 旅行者，观光客( tourist的名词复数 )；

例句
A few tourists were buzzing about...
几个观光客在匆匆游览。