on one's guard 警惕,提防
4 `% L2 R1 S0 s1 F. R8 s! L+ \4 y
# ?6 a. n% _7 W& b4 n% w nothing but 只有,只不过
$ P2 w& h- ~0 P9 ~: y ( c4 J9 t$ R: R. W a2 m( k2 F
now and then 时而,偶尔4 j# {' x4 A# g" D, `. j) F( u
0 N) r! R( Y+ X$ i
off and on 断断续续,间歇地" T3 ^9 L, T0 R( C# ?* q
' N3 g" H6 H5 _. P# x
off duty下班% ]0 h. x( g( b) X5 j: {6 ^' r4 L
& ^" \$ A4 h* v8 D
on a large/small scale 大/小规模地9 ~: x; L7 s( J/ n" w
G# ]6 C$ d1 Y6 U2 C; l. i8 Q+ ?9 `4 |
on account of 由于* g X+ ], @ |; H
0 b% y! {4 C' E0 j; Q# m on(an/the) average 平均,通常
- B9 H8 `; i7 v2 I# `4 a. f
; b. w6 V+ G1 ]; \( [2 L on behalf of 代表( m* \0 L, t* P3 z# F" `
- u+ g2 i4 s: r5 T' T. c& h1 Z2 X
on board 在船(车/飞机)上
7 a/ \8 D' ~6 w" X+ p ! Q {' ^; ` p- g- S2 f
on business 因公
' Q& M$ x( d3 ]" a; u+ ] - k* s; p. j" M0 \9 W
on condition that 如果8 `2 ]: p X V; y* t5 L. x
* W3 u M1 N( a, ^3 q' U7 l3 ?
on duty 上班,值班1 |' T5 _7 m7 y
) }& x1 w" f) y: |2 h/ }, G) [
on earth 究竟,到底. |9 C: @3 G4 ?4 w/ c
" U9 g$ x# l4 J, F% h8 x
on fire起火着火
: j, _* [% C, S( A
* S4 b0 j( L# P, u* j on foot 步行,! e% W, E1 B: e S5 O- a" z
' t: J5 K) T& v& s1 { on guard 站岗,值班
: K$ l. e( j8 Z/ r: Y( L ! \' j$ u$ r3 H1 O* R! V8 D) A0 ]7 p
on hand 在场,在手边 r6 P( L; Y1 L8 z7 @! N- ?# n
, m. C% N1 d# ^ on occasion(s)有时,间或
5 C# T, L" ~: d2 _( s3 e
: [9 ]+ F5 {" Q' L5 d+ @ on one's own独立,独自
' M+ V: n2 z& F3 P' h% X ! }$ a5 G* ?2 u8 |
on purpose 故意地$ o; c6 O1 m Q; j) _, O8 q7 W
6 t* E" g0 e/ s9 V4 F r) _
on sale 出售,廉价出售
( i$ ]& V/ P- A u( V1 \ - u8 k o/ p+ n5 M0 R
on schedule 按时间表,准时
% s8 u6 z8 I- O: |5 }# [! i 1 l2 g2 I; V. y V
on second thoughts 经重新考虑 V. m3 p9 Z0 n5 j n6 y. ?; V; c6 z0 @( y
% {" @# e2 N- s+ b/ J on the contrary正相反2 T# F! ^7 R9 i9 ~- g. E( V
# [" i. r! {3 A* Y
on the grounds of 根据,以...为由 |
发表于 2012-8-14 00:30:10
