a. careful仔細的。
△Lr.5.1.52:“Here is theguess of their true strength and forces / By diligentdiscovery.”這里記載著根據(jù)細心偵察所得的對敵方的兵力的估計。
diligent[?dilid??nt]
adj.勤奮的，努力的
◇be diligent in在…方向很努力
‖ diligent administration supervision勤政監(jiān)督
diligently adv. diligence n.勤奮，勤勉