31-sometimes

　　• occasionally

　　• intermittently

　　• sporadically

　　32-think

　　• conceive

　　• ponder

　　• contemplate

　　33-try

　　• attempt

　　• endeavor

　　• endeavor to do sth.

　　• venture

　　• Venture a small fish to catch a great one.

　　34-very

　　• unusually

　　• exceedingly

　　• profoundly

　　35-want

　　• crave

　　• crave sth.

　　• have a craving for sth.

　　• yearn

　　• yearn for/yearn to do

　　• long

　　• long to do/long for

　　36-old

　　• aged

　　• mature

　　• experienced

　　• used

　　• worn

　　• former

　　• previous

　　37-perfect

　　• flawless

　　• faultless

　　• a faultless performance

　　• ideal

　　• consummate

　　• a consummate performer

　　38-see

　　• regard

　　• regard sb. with suspicion

　　• behold

　　• witness

　　• gaze

　　• realize

　　• notice

　　39-make

　　• build

　　• construct

　　• produce

　　• assemble

　　• fashion

　　• manufacture

　　40-part

　　• section

　　• portion

　　• segment

　　• detail

　　• element

　　• component