backhanded [5bAkhAnd] adj. 间接的，含沙射影的(indirect,devious;especially·sarcastic)
(反)backhanded ◆ forthright 间接的 ◆ 直接的
(记)backhand原义反手击球，引申为间接的
bacteria [ bAk5tiEriE ] n. 细菌，培养基
(类)bacteria·decomposition=yeast·fermentation 细菌造成腐烂=酵母造成发酵
bacterium·colony=citizen·nation 细菌·菌群=居民·国家(种属)
(反)host·parasite=medium·bacterium 寄主·寄生虫=细菌培养基·细菌
badge [bAdV] n. 徽章(a device of membership in a society)标志(a characteristic mark)
(类)chevron·badge=caisson·cart v型袖章·徽章=载炮车·大车 (种属)
【注：chevron：a sleeve badge that usually consists of one or more v-shaped stripes
caisson：a usually 2-wheeled vehicle for artillery ammunition】
badger [5bAdVE] vt. 不断纠缠(to harass or annoy persistently)
(类)badger·bother=belabor·mention(干扰：persecute·injure)
不断纠缠·使烦恼=喋喋不休·提及(重复和正常)
(记)bad+ger(谐音“哥”)联想：坏哥哥不断纠缠。
badinage [bAdEn5B:V] n. 打趣，揶揄(playful repartee：banter)
(反)badinage ◆ serious discourse 打趣 ◆ 严肃的谈话
badinage ◆ sincere conversation 打趣 ◆ 严肃的交谈
badinage ◆ clear reference 揶揄 ◆ 清晰的指出
(记)bad+inage=image 想象→坏想象→下流的想象→黄段子→打趣，揶揄
bait [beIt] v. 折磨(to persist in tormenting or harassing another;badger)
(反)disarm 抚慰，使消除敌意 mollify 抚慰 (干扰：fortify 使坚强)
【注】bait implies wanton cruelty or delight in persecuting a helpless victim /baited the chained dog/
disarm ：to overcome or allay the suspicion, hostility, or antagonism of
His smile disarmed us. 他的微笑消除了我们的怒气。
(记)原义：饵, 诱惑物。联想：以饵引诱(动物)→欺负，折磨(哎，动物真可怜)
bale [ beil ] n. 极恶(great evil)v.痛苦，悲哀(woe，sorrow)
(反)bale ◆ mirth 悲哀 ◆ 高兴
(记)谐音“背”北方方言“点儿背”是遭遇不幸的意思→痛苦，灾祸