心都提到嗓子眼儿了。(Xīn dōu tídào sǎngziyǎnr le.)having one’s heart in one’s mouth; be dreadfully nervous or scared

Explanation

人们很紧张很害怕的时候，心会跳得很厉害，感觉就像要从嗓子里蹦出来一样。这句话形容非常紧张或者害怕。
When a person is very nervous or scared, his heart beats very quickly and almost comes out from the throat. This sentence is a hyperbole which vividly describes someone is very nervous or scared.
Words:

游乐园yóulè yuán:amusement park;
冠军ɡuànjūn:championship;
主持人zhǔchí rén:host;hostess.

Sentences

1、Jiǎ: Nǐ qù nà jiā xīn kāi de yóulèyuán wánr de zěnmeyàng ?
甲：你去那家新开的游乐园玩儿怎么样？
A: What about the new amusement park you went to?
Yǐ: Hěn cìjī! Guòshānchē dàodá zuì gāo diǎn de shíhòu, wǒ de xīn dōu tí dào sǎngziyǎnr le.
乙：很刺激！过山车到达最高点的时候，我的心都提到嗓子眼儿了。
B: It is pretty exciting. My heart was in my mouth when I reached the top of the roller coaster.
2、 Jiǎ: Gōngxǐ nǐmen duódé guànjūn!
甲：恭喜你们夺得冠军！
A: Congratulations for winning the championship!
Yǐ: Xièxie! Zhǔchírén xuānbù huòjiǎng míngdān shí, wǒmen dōu hěn jǐnzhāng, xīn dōu tí dào sǎngziyǎnr le.
乙：谢谢！主持人宣布获奖名单时，我们都很紧张，心都提到嗓子眼儿了。
B: Thank you. We were fairly nervous when the hostess announced the winners list. Our hearts almost jumped out of our mouth.