[這個案子
要不要繼續查下去
你自己來決定』

KASAI: This case
KASAI: Whether you want to continue investigating
KASAI: Is something you must decide for yourself.

[--只不過
就這一次
拜托借我你的人脈一用」

ARAKI: Just this one time
ARAKI: please lend me the use of your contacts

.......啊--受不了
拜托我
我也没一法啊.....

KASAI: Ah--I can't stand it.
KASAI: Begging me
KASAI: [when] I also have no way...

--啊
好久不見了
我是新木!

ARAKI: Ah!
ARAKI: Long time no see!
ARAKI: I am Araki!

…不好意思啊
前輩

ARAKI: ... this is embarrassing.
ARAKI: Sir. [ literally the word for "senior", not "mister". ]

我有點關於
國際調査的事--
想拜托你--

ARAKI: I'm a bit concerned about the international investigation.
ARAKI: I wanted to ask you, please --

--嗯
??: Hm.