大方: generous, magnanimous, stylish, in good taste, easy-mannered, natural and relaxed...
学年: academic year...
纪念: to commemorate, to remember...
质问: to question, to ask questions, to inquire, to bring to account, to interrogate...
大街: street, main street...
响亮: loud and clear, resounding...
议: to comment on, to discuss, to suggest...
双: two, double, pair, both, even (number)...
环节: aspect (of a project), element (of a policy), sector (of the economy), stage (of a process) etc...
通通: all, entire, complete...