aver基本解释

vt,断言，极力声明；主张,同近

In this conflict of emotions all I dare aver is that it has been my faithful study to collect, my duty from a just appreciation of every circumstance by which it might be affected..怀着这种矛盾心情，我唯一敢断言的是，通过正确估计可能产生影响的各种情况来克尽吾职，乃是我忠贞不渝的努力目标。 我唯一敢祈望的是，如果我在执行这项任务时因陶醉于往事。

断言, 主张英释中释vto say something firmly and strongly because you are sure that it is true

aver