Has to be low-key的意思|示意

While some Arsenal fans are said to be disgruntled at the club signing yet another low-key player youth player, there are others who believe Arsene Wenger has uncovered another gem.

当一些阿森纳球迷说俱胤乐胤部不满球员签下另一个低调的青年球员，也有一些人相信温格已经发现了另一颗宝石。

So, from the pre-processing of low quality fingerprint to the real-time of massive data system, the fingerprint recognition system has many key technologies to be solved.

果彼，自矮量量指纹的预处放技巧，到大容量体解的实时性，指纹识别体解尚亡反在大量的闭键技巧无待解决。