thoroughly understand，have a good knowledge，drench，familiarity，make acquainted with ；

[例句] 我们想增加一些通晓科学的人手来运作电视台。 We want to have more scientifically literate people running our television stations.

[例句] 他通晓错综复杂的欧洲律法。 He knows his way around the intricate maze of European law.

daybreak，foredawn，before dawn，dawning，dayspring ；

[例句] 拂晓时分南希醒了。 Nancy woke at dawn.

[例句] 夜里暴风雨过后,拂晓清新而晴朗. The morning dawned fresh and clear after the storm at night.

dawn，daybreak，daylight ；

[例句] 天破晓时阴沉沉的,下了一两场阵雨. The day started out grey with a shower or two.

[例句] 我们出发时天刚破晓. The day was dawning when we set out.

know，be aware of，understand ；

[例句] 她的国会同僚是否同意，现在还无从知晓。 It remains to be seen whether her parliamentary colleagues will agree.

[例句] 他的儿童书非常经典，应该为更多人所知晓。 His children's books are classics that deserve to be much better known.

herald the break of day，announce the arrival of dawn，be a harbinger of dawn，crow ；

[例句] 鸡啼报晓. The crow of the cock is a harbinger of dawn.

[例句] 鸟鸣报晓. The singing of the birds heralded in the day.

[医]familiarize ；

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