形容詞 lamentable:

1. bad; unfortunate
   同義詞：deplorable, distressing, pitiful, sad, sorry

1. The decision they made is a lamentable lack of foresight.
   他們做的決定實(shí)在缺乏遠(yuǎn)見(jiàn)。
2. His death is a lamentable loss of our work.
   他的死對(duì)我們的工作來(lái)說(shuō)是令人悲痛的損失。

la.men.ta.ble

adj.（形容詞）
Inspiring or deserving of lament or regret; deplorable or pitiable.See Synonyms at pathetic
不幸的：引發(fā)或值得哀痛或后悔的；悲慘的或可悲的參見(jiàn) pathetic

【引伸】
lam.entably
adv.（副詞）