under the impression ----> get the impression& }9 N3 b7 A3 g3 w
under warranty ----> be broken
/ \# G! C# I$ w1 `4 c1 U, S: ? understand ----> be sure // think1 {/ A& R# s% E: Y4 c
underwater ----> on wet surface: r& D$ b D+ A0 D4 Q1 |9 ` \4 \
undo ----> all over again
8 y2 l3 K# H$ B4 }8 s9 }' N$ b; q8 P" j5 U unforgivable ----> can't be forgiven
6 X1 F5 c% `+ X8 O( `4 @6 b) X unique ----> different
3 H3 ?; r9 \2 W) @6 ? Unless I can get out of sth.! ----> Sb. be not eager to do sth。
4 ?/ }, k2 d, b- ]7 w9 ?+ ^9 O$ ]( S unless sb. has to ----> only when necessary) `: T1 q2 ^+ w% ]7 g! K
up to date ----> catch up on" q: h! ^& v4 n W6 S* N
up to one's neck/eyes/ears in work ----> too busy8 Y' G& H [, j! M b
upside down ----> not correctly
. [ v9 C( N' k+ o! ?" Y) G use the stepstool ----> stand on sth。, l/ f. t1 v8 A0 o
used sth. // dirt cheap ----> very inexpensive( \* L% I0 v! a" S
used to be so sociable and open ----> now act less friendly
5 R: B/ c4 ]9 M& H* y' m& O2 ]7 z: T used to do sth. ----> no longer // once
' Y5 @2 B y! q$ @9 o( c3 m used to live in ----> has moved out of
. P0 m! ^2 C/ T! u" c* X4 p9 i usually no ----> few) J+ N1 ^4 D8 e
vacuum cleaner ----> dirty
! O- {( @$ @* @& Y: g2 f* f vacuum the rug and polish the furniture ----> do some housework6 ?7 X+ Q9 Q; z% s9 {5 Q* C
very impolite ----> show extremely poor manners# f$ u6 a. {+ N: x4 s: u; u2 z
very little ----> be limited |