unable adj. 不能,不会;〔罕、诗〕弱,无力的。 I am unable to walk. 我不能走路。
concentrate vt. 1.集中;使…集中于一点。 2.【化学】提浓,浓缩,凝缩;【冶金】汰选。 concentrate fire 集中火力(射击)。 vi. 专心,凝(神);倾全力。 concentrate in class 专心听讲。 concentrate one's attention on [upon] 把注意力集中在。 concentrate on [upon] 集中在;专心于。 n. 浓缩物;【畜牧】精料;【矿物】精砂。
Too little sleep leaves us drowsy and unable to concentrate the next day 睡眠过少使我们次日感到困倦并不能集中精力。
Cognitive : feeling blank or bewildered , confused , unable to concentrate , ruminating or dreaming about the deceased 思想:混乱不能集中一片空白不断思念著或梦见死者
Even if every road led to rome , when our mind is indecisive , constantly wandering , and unable to concentrate , we will never make it to our destination 三心二意无定性,四处徘徊不专精,尽管条条道路通长安,却永远无法到达终点!
The price of a poor night s sleep can be high - the next day you may feel grumpy , unable to concentrate , have gritty - feeling eyes and an overwhelming desire to cat - nap 晚上睡得不好的代价可以是很大,例如翌日您整个人会觉得烦躁,眼睛乾涩,无法集中精神,还很想小睡片刻。
Unable to concentrate on the spirit , i do not know what to write , too late , i could not even wash the no shower , too late , even up tomorrow morning to go to work , but also father to wait for the next moment , the next write 集中不了精神,不知道要写什麽,现在太晚了,我连澡都没洗的,太晚了,明天早上还要起来上班,等下爸爸又要开骂了,下次写吧!
From my experience as a public servant , having attended various courses , training and seminars , it seemed to me that most audiences are unable to concentrate for long on what speakers are saying , particularly over lengthy periods 自担任公职以来,我曾修读不同的课程和培训班,亦曾出席各类型的研讨会。根据我的经验,大部分听众似乎都不能长时间集中精神地聆听,尤其是在冗长的演说中。