查询词典 have trouble doing sth.

be certain of sth：确信

117. center on sth. 集中精力做某事 | 118. be certain of sth. 确信...... | 119. by chance. 偶然

be certain of sth：对某事有把握

be certain of sth 对某事有把握 / | be certain that... 确信... / | be certain to do sth 肯定做某事

be certain to do sth=be sure to do sth：确信去做某事

28.anyone else其他的任何人 | 29.be certain to do sth=be sure to do sth确信去做某事 | 30.be certain of sth=be sure of sth确信某事

be clear of sth：没有...困难、危险等的

52. lay claim to sth 声称拥有...的权利 | 53. be clear of sth 没有...困难、危险等的 | 54. clear up (多指天气)转晴

comprise sth / be comprised of：包含/由---组成

10. consist of 无被动/ 由---组成 | 11. comprise sth / be comprised of 包含/由---组成 | 12. constitute sth / be consitited of 包含/由---组成

to be concerned with：关于,涉及 忙于关心,关切

93.to be on the alert against/for sth. 警惕 | 94.to be concerned with 关于,涉及 忙于关心,关切 | 95.to attach importance to sth.认为..重要

be confident of/ in sth：对...事有信心,确信

13. be curious about sth. 对...好奇 | 14. be confident of/ in sth. 对...事有信心,确信... | 15.take chances 冒险一试,碰运气

be confident of sth：对...充满信心

be confident in sth.%[]%对...充满信心% | be confident of sth.%[]%对...充满信心% | be confident that%[]%对...坚信,肯定%

53. be confident of sth/ that clause：53. 对...有信心

52. with the progress of sth. 52. 随着...的进步 | 53. be confident of sth/ that clause 53. 对...有信心 | 54. remember sb as 54. 作为...而铭记某人

be connected with sth：与...有联系

18.涉及到 refer to | 19.与...有联系 be connected with sth. | 20.因为某事感谢某人 be appreciated sb. for sth.

dog tag style：狗标记作风

Identification necklace鉴定项链 | dog tag style狗标记作风 | 20 inch length 20英寸的长度

final examination：活動/事件教務期末考試

1216.活動/事件教務停課Class recess | 1217.活動/事件教務期末考試Final examination | 1218.活動/事件教務補考Make-up examination