harden up

1. To cause something to become physically harder or more solid. In this usage, a noun or pronoun is used between "harden" and "up." The tub of ice cream was melting, so I stuck it in the freezer to harden it up.

2. To become physically harder or more solid. If the ice cream is melting, stick it in the freezer for a bit so it hardens up.

harden something up

to make something hard or strong. Put the meat in the freezer awhile to harden it up before you try to slice it thin. Harden up the ice cream a little in the freezer.

词组	harden up
释义	harden up harden up 1. To cause something to become physically harder or more solid. In this usage, a noun or pronoun is used between "harden" and "up." The tub of ice cream was melting, so I stuck it in the freezer to harden it up. 2. To become physically harder or more solid. If the ice cream is melting, stick it in the freezer for a bit so it hardens up. See also: harden, up Farlex Dictionary of Idioms. harden something up to make something hard or strong. Put the meat in the freezer awhile to harden it up before you try to slice it thin. Harden up the ice cream a little in the freezer. See also: harden, up McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. See also: back into back into (someone or something) angle angling orient orient to orient to (something) spiff up spiffed up adapt to
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