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Phrase(s): lace something up
to tie the laces of something. • Lace your shoes up, Tommy. • Lace up your shoes., Phrase(s): lace someone up
to tie someone’s laces; to help someone get dressed in a garment having laces. • Would you please lace me up? I can’t reach the ties in the back. • I laced up Sally, as she requested.
McGrawhill's American Idioms And Phrasal Verbs