Soften the butter in room temperature. Whisk with sugar in a large bowl, until they turn white and just hold soft peaks.

奶油在室温中软化后，取大碗加糖一起打发，略微发白。

youdao

Whisk the batter with a wire whisk or hand beater until it is smooth and light.

用搅拌器搅拌糊状物直到糊状物变得光滑酥松。

《柯林斯英汉双解大词典》

youdao

When the syrup is at about 235 degrees F, begin beating the egg whites on medium speed with the whisk attachment or with a hand mixer.

NPR: Recipe: Devil's Food White-Out Cake

In a medium bowl, whisk the heavy cream with the remaining 4 eggs until smooth.

CNN: Bobotie -- Curried Beef Casserol

Before holding the bowl over the water, break up the yolks with the whisk and add a splash of vinegar.

WSJ: Sean Brock's Butter-Braised Asparagus With Shrimp and Lemon Hollandaise | Slow Food Fast