Those explorers gallantly adventured on unknown seas.

那些探险家们大胆地在陌海域探险。

Our new director is still an unknown quantity.

我们对新来主管知之甚少。

An unknown man's dismembered body was found by the police in the suburb woods.

警察在郊区小森林里发现了一不知名男人碎尸。

The origins of some words are unknown.

这些词起源是不知。

He lived well, helping the poor, and all other people; he died penniless and unknown.

前讲道德, 总是帮助穷人以及所有人; 后来却一文不名, 默默无闻地死了。

Unknown to me, he had already signed the agreement.

背着我已签了协议。

People usually infer an unknown fact from a known fact.

人们通常从已知事实中推断未知事实。

An unknown man has stolen all her money.

一陌人把她钱偷光了。

Yesterday’s riot broke out at the instigation of an unknown politician.

昨日暴乱是由一不知名政客煽动起来。

Motherhood was for her a journey into the unknown.

做母亲当时对她来说是开始一次探险之旅。

Life can be likened to a journey with an unknown destination.

活可以被比作一次不知目旅行。

In algebra, the sign X usually denotes an unknown quantity.

在代数里, 符号X常用来表示未知数。

The championship was won by a complete unknown.

一名不见经传人赢得了冠军。

Their football team bowed out of the competition with unknown reasons.

不知道为们足球队退出了比赛。

We already possess, in the artesian well, the means of converting unfertile wastes into rich corn fields;and what unknown forces may not yet be hidden in the interior of the earth?

我们已经能够靠了自流井把不毛之地变成膏壤，地质也许还有未知力量在潜伏中有待发现，谁又能断言呢？

The Wa FM supporters are a mixed group more akin to community groups (just like the residents opposing a highway in Sri Petaling), unestablished and of unknown potentials and capability.

FM”支持者是类似社群群体（就如反对在大城堡高速公路居民）、未经建制，其潜能与能力也是未知。

The best traders don't try to hide from these unknown variables by pretending they don't exist, nor do they try to intellectualize or rationalize them away through market analysis.

最优秀交易者不会通过假装不知道来隐藏这些未知变数，们也不会通过市场分析把这些变数合理化。

The network says unknown gunmen in Baghdad attacked the vehicle carrying cameraman Alaa Uldeen Aziz and soundman Saif Laith Yousuf as they were returning home from work late Thursday.

家电视台说，巴格达身分不明枪手星期四傍晚在摄影师阿齐兹和录音师尤素夫下班回家途中袭击了们车辆。

Rand Flem-Ath and Graham Hancock all write that an unknown advanced civilization existed on the Antarctica continent and was destroyed by cataclysmic shifting of the crust of the Earth.

Ath和格雷厄姆·汉考克所有记载了在南极洲大陆上存在并且被地球外壳大改变毁灭了一未知先进文明.

Objective To evaluate the value of 18 F-deoxyglucose (FDG) positron emission tomography (PET) in detecting the primary focus of metastatic cancer with an unknown primary.

目探讨18F-脱氧葡萄糖(FDG)正电子发射型体层摄影术(PET)全身显像在原发灶不明转移癌中作用。