on the sly造句
31 Under the cover of the smog, He snatched the pot on the sly.
32 He's been drinking whiskey on the sly for thirty years.
33 I would be punished if I took food on the sly.
34 Helen has been seeing William on the sly, because her mother objects to their friendship.
35 I've tipped you a wink or signalled to you on the sly many times, but before you took the hint others had already noticed.
36 Read, if at all, on the sly, to look for their names.
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