1. deal a blow to 給……造成打擊
They said the amounts shouldn't affect human health, but the finding could deal a blow to Japan's agriculture.
官員說，這些放射性物質的含量應該不會影響人體健康，但這一發現可能會給日本農業帶來打擊]ob#[[d+0=iKcJmUc。

2. become the pitchman for 成為……的代言人
By the time Prohibition ended in 1933, the snowman had become the pitchman for almost every leading liquor company.
1933年禁酒令結束后，雪人幾乎變成了所有有名酒廠的形象大使@dloxfYus0xo)dY*(Z。

3. hold the line against 堅持反對
We've got to hold the line against violence in our public schools.
在我們公立中學里，我們要堅持反對暴力的立場m]P@kG#Y(In65VSfTVMg。

4. lead sb. astray 讓某人誤入歧途
That's just part of the story for cheating politicians, whose power and feelings of invincibility can also lead them astray.
這只是騙人政客們的一部分故事，他們的權力和優越感也能把他們引入歧途;e3]0tn)odWFW82m。