51.in no case 在任何情况下都不(放句首倒装句) 0 x( [4 z: m L k, a' B ~52.be cautious of 谨防1 d% }- S! w$ p
53.center one‘s attention on (=focus one’s attention on) 把某人的注意力集中在……上 5 {0 u0 u# Y& d: t% Q* e( u 54.be certain of (=be sure of) 有把握,一定。 7 m* e, z2 V0 m- I3 w' j 55.for certain of (=for sure) 肯定地,有把握地9 c. x% y' n$ }6 ?- O: e
56.attach(to) (=to fix, fasten; join) 缚,系,结# c7 ]. q0 k$ E5 `2 r
57. make an attempt at doing sth. (to do sth.)试图做…… * B& r5 y! o2 s# o' v$ s1 ~9 I. m 58.attend to (=give one‘s attention, care and thought) 注意,照顾;attend on (upon) (=wait upon, serve, look after) 侍候,照料 ( O( i( G v* n) F 59.attribute to/ toward ……对……的态度、看法 ; y% o, p/ k8 B 60.attribute……to…… (=to believe sth. to be the result of……) 把……归因于……,认为……是……的结果