39. tentative :(1) of the nature of an experiment 试验性的;
(2) unsure , not definite , hesitant 犹豫。
a tentative arrangrment 临时安排/a tentative offer 试验性建议
40. scoff at : mock at ; jeer at : 嘲笑,嘲弄。
如:
You should not scoff at others‘ belief. 你不能嘲笑别人的信仰。
41.Jim Binns……wrote me about some of his misgivings.
misgiving:worry,concern(常用复数)(对未来之事)疑虑不安,怀疑。如:
I like your scheme in principle;my only misgiving is that it may require too large a sum of money.
我原则上喜欢你的计划,唯一担心的是花销可能太大。