late 16th cent.: from medieval Latin actuat- 'carried out, caused to operate', from the verb actuare, from Latin actus (see act)The original sense was 'carry out in practice', later 'stir into activity, enliven' ; sense 1dates from the mid 17th cent
Mr Heathcliff may have entirely dissimilar reasons for keeping his hand out of the way when he meets a would-be acquaintance, to those which actuate me. 希刺克厉夫先生遇见一个算是熟人时，便把手藏起来，也许另有和我所想的完全不同的原因。
