ONE PHRASE, IN CONTEXT
be on to
察觉到……的意图；看穿某人的计划
GET TO KNOW THE MEANING
读懂它，也学会这样说。
01察觉到……的意图；看穿某人的计划
IN A SENTENCE
She is on to her brother's plan to sell the old boat, so she asks him to explain the listing.
她察觉到哥哥打算卖掉旧船，于是让他解释那则售船信息。