an ineffectual teacher
不称职的教师
an ineffectual attempt to reform the law
改革法律的徒劳无益的尝试
1.无效的,不灵验的,徒劳无益的
1.an ineffectual person does not have the ability or confidence to do something well
2.something that is ineffectual fails to achieve what it is intended to achieve
1.You might want to leave before I change my mind, and let her beat you to a pulp with her tiny, ineffectual fists.
你知道吗？你最好离开，在我改变主意，并且让她用微小而又无力的拳头把你打成果酱之前。
2.Tetrodotoxin can be found in the liver, ovaries, and skin, and accidental death is the common result of ineffectual removal.
河豚的肝、卵巢和皮肤都含有河豚毒素，如果去除得不够干净会导致意外死亡。
3."Looks like V-fib, " said the nurse -- the patient's heart contractions were disordered and ineffectual.
病人的心脏收缩无序且无效。护士说，“看来像室颤”。
4.and let her beat you to a pulp with her tiny, ineffectual fists.
和让她用那微小而又无力的拳头把你打成果酱之前
5.The middle class is weak and ineffectual and tends to become dependent on and subservient to the ruling class .
中产阶级软弱无能，趋向依赖和屈服于统治阶级。
6.The sun sank down, and in the sky floated a thin, ineffectual moon.
夕阳已经西斜，天空升起一轮淡淡的明月。
7.German return fire, which starts after a while is ineffectual, but my brave jack tars start punishing the German line.
德国开始了还击，但刚开始了的一段时间是无效的。而我猛烈地开始摧残德国战列线。
8.The minister had been widely criticized for his ineffectual management of the economic crisis.
因经济危机中未能实行有效管理，格罗斯广受批评。
9.This time the League may feel compelled to take part, but find that just as ineffectual.
这次民主联盟可能举得是被迫参选，但它会发现它参选与否其实并无意义。
10.He promises that North Korea's treaty-breaking will have consequences, but so far these have consisted mostly of ineffectual scolding.
他承诺说朝鲜违反协议将会有一些后果，但至今这些后果绝大多数只由一些无效的斥责组成。