A very causal summary of words in animes (v2.0)
CTSleo1ええと：thinking about how to answer.
2確か/確かに*（たしか）：if I am not mistaken...; it is true that...
3あら：express Suprising and amazing feeling. used by female.
4ところで：to convert the topic.
5あれえ：express Suprising and amazing feeling.
6やっぱり／やはり：as expected, not suprisingly.
7とりあえず：choose this first; do this first.
8もう:already; more; right away.
9勿論*（もちろん）:of course
10ほら：look!
11ちゃんと：perfectly; exactly
12是非*（ぜひ）：unquestionably; definitely
13もうすぐ:soon; shortly
14もっと:more
15さあ:here we go
16すまん：the less polite form of すみません
17もしかしたら：possibly, prehaps
18それで：(and) then
19つい：unintentionally, carelessly, by mistake
20そう言えば*（そういえば）：by the way
21へえ：oh (be used to express surprise)
22それに：besides, moreover
23なければ：the abbreviation of なければならない
ないと：the abbreviation of ないといけない
24そろそろ：soonly, shortly, before long, slowly
25それじゃ：well, and then
26まあ：oh, just, all right, well
27楽しみです*（たのしみです）＝楽しみにしている：looking forward to
28~ていっぱい：full of sth.
29きちんと：exactly, accurately, properly
30ただし：however, provided
31ずっと：always, right along, forever, far and away
32かしら／かな：i wonder
33それにしても：nevertheless, at any rate, even so
34うわあ：wow
35しっかり：unwaveringly, steadfastly, firmly, fast
36なかなか：very, quite, pretty, not easily
37兎に角*（とにかく）：anyways, in any case, at any rate
38流石*（さすが）：that is great, very great
39なんだか：somehow (be used to express the uncertainty)
40折角*（せっかく）：with considerable trouble or effort finally reach...
（せっか～のに）
41いやあ：いや (be used to express the dissatisfaction)
42参りました*（まいりました）：(be used to express the confusion)
43早速*（さっそく）：immediately, instantly, right away, fastly, hurry
44いかにも：really, real, so