wear sth↔down

ˌwear ˈdown|ˌwear sth↔ˈdownto become, or make sth become, gradually smaller or smoother by continuously using or rubbing it（因重复使用或磨擦而）变小，变光滑；磨短Notice how the tread on this tyre has worn down.注意这个轮胎的花纹磨损的程度。

• laugh something to scorn
• offensiveness
• vacationlands
• hemimorphic crystal
• screw fly
• ironstone china
• a bleeder of an
• advanced potential
• keesters
• blooding
• denationalizes
• gallowses
• under the cosh
• box off
• drag in by the head and shoulders
• Serendib
• light breeze
• tentless
• irresolutenesses
• from the sublime to the ridiculous
• sigma-minus hyperonic atom
• roll sth↔over
• wantest
• fresh for the morrow
• Baudouin I
• apiarist
• analyze
• Desmostylidae
• androphore
• prosecutability
• drop shop
• meionites
• set adrift
• Winchester quart
• Paulinized
• genetic profile
• spanner in the works
• position papers
• take counsel of one’s pillow
• laryngectomees
• extractable
• impark
• semihyaline
• determinists
• detachabilities
• enter into a contract with
• measuring religiousness
• superluminal
• septate coaxial cavity
• symphonic dance
• by arms
• microfarad
• triglot
• fierinesses
• deputy sheriff
• demarcative
• San Diegan
• aeronautical meteorology
• Spanish topaz
• all in one
• outvoices
• in regular work
• Hathor-headed
• in sb’s face
• watch-straps
• rose mallows
• horny
• pick up flesh
• safe
• kid (或 kinchin) lay
• ventral root
• flathead
• vacuumpacked
• my man
• stookies
• cybernauts
• ingratiate yourself (with sb)
• arsenobenzene
• enslaver
• punk rock
• ibies
• slitless spectrograph
• exercise oneself in
• wiredancer
• buck-jump
• neuroanatomical
• Ursuline
• public sectors
• colonist
• hush sth ↔ up
• wish someone further
• Children of Hercules
• in a clap
• dehydrofreezing
• glass dosimeter
• monkey pole
• longitudinal parity check
• face-around
• late latins
• re-bar