They wondered whether their drinks had been spiked.是什么意思？

They wondered whether their drinks had been spiked.

他们有些疑惑自己的饮料里是否被偷偷搀了烈性酒。

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。

wondered

vt. 对…感到好奇（wonder的过去式与过去分词形式）；

例句
I wondered why he had gone through the elaborate charade...
我不明白，他为什么要大费周章，装腔作势。

whether

conj. 是否，无论；

例句
They had their tablets analysed to find out whether they were getting the real drug or not.
他们将药片拿去化验以查明他们得到的是否是真药。

their

pron. 他（她，它）们的，在提及性别不详的人时，用以代替 him 或 her；

例句
Their permissiveness toward their children reflects the wild abandon of their own lives.
他们对孩子的放任折射出他们自身生活的放浪形骸。

drinks

n. 饮料( drink的名词复数 )，酒宴，一杯或一份酒；v. 喝（酒）( drink的第三人称单数 )，饮，喝酒，（尤指）酗酒；

例句
These days much of my time is spent weaving my way around drinks parties...
这些天，我多半都是在酒会上晃悠过去的。

had

v. 有（ have的过去式和过去分词 ），（亲属关系中）接受，拿，买到；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

been

v. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质（ be的过去分词 ），在，存在，不受干扰，去过了，be的过去分词；

例句
Have you been able to have any kind of contact?...
你联系上了吗？

spiked

adj. 有穗的，成锥形的，有尖顶的；

例句
...drinks spiked with tranquillisers.
被偷偷加了镇静剂的饮料