assail

attack, assail, assault, charge, beset

• germany began to attack the soviet union in 1941.
  德国在1941年开始进攻苏联。

• the enemy plane assailed our defence position.
  敌机不断猛烈地攻击我们的阵地。

• the enemy assaulted us at dawn.
  敌人在黎明时向我进攻。

• the cavalry charged to the front.
  骑兵猛烈向前线冲击。

• in the swamp we were beset by mosquitoes.
  在沼泽地里, 我们受到蚊子的围攻。

动词 assail:

1. attack someone physically or emotionally
   同义词：assault, set on, attack
2. launch an attack or assault on; begin hostilities or start warfare with
   同义词：attack
3. attack in speech or writing
   同义词：attack, round, lash out, snipe, assault

1. All sorts of problems assailed us suddenly.
   我们突然遇到各种各样的难题。
2. He was assailed by his political opponent.
   他遭到政敌的攻击。
3. She was assailed by doubts.
   她感到疑虑重重。

as.sail

v.tr.（及物动词）
as.sailed,as.sail.ing,as.sails
To attack with or as if with violent blows; assault.
攻击：攻击或似猛烈打击；袭击
To attack verbally, as with ridicule or censure.See Synonyms at attack
攻讦：用语言攻击，如嘲笑或责骂参见 attack
To trouble; beset:
使苦恼；困扰：
例句：
was assailed by doubts.
为疑惑而困扰

来源：
Middle English assailen
中古英语 assailen
from Old French asalir asaill-
源自 古法语 asalir asaill-
from Vulgar Latin *assalore
源自 俗拉丁语 *assalore
variant of Latin assilore [to jump on]
拉丁语 assilore的变体 [攻击]
ad- [onto] * see ad-
ad- [到…上] *参见 ad-
salore [to jump] * see sel-
salore [跳] *参见 sel-

【引伸】
assail.able
adj.（形容词）
assail.ableness
n.（名词）
assail.er
n.（名词）
assail.ment
n.（名词）