对工会的恐吓用英语怎么说？

对工会的恐吓

intimidation against trade unions

intimidation

n. 恫吓，恐吓，胁迫；

例句
The country was an artificial construct held together by force and intimidation for more than 70 years.
这个国家是靠武力和恐吓维系达七十余年的人治政权。

against

prep. 反对，对…不利，紧靠，以防；

例句
His hand brushed against hers; it could have been either accidental or deliberate.
就在有意无意间，他的手轻轻拂过她的手。

trade

n. 贸易，行业，<美>顾客，买卖；vt.& vi. 交易，经商；vt. 交换，经营…交易，做…的买卖；vi. 贸易，买卖，以物易物；

例句
Argentina has lifted all restrictions on trade and visas are about to be abolished...
阿根廷已经取消所有贸易限制，签证制也将废止。

unions

n. 联合( union的名词复数 )，联盟，和睦，结婚；

例句
There are 73 unions affiliated to the Trades Union Congress.
共有73家工会隶属于英国职工大会。