English translation for "a knotty problem of long standing"

老大难问题

Related Translations:

knotty:  adj.1.有节的，有结的；节疤多的。2.纠纷的，棘手的。短语和例子a knotty rope 多结的绳子。 a knotty passage 难懂的一段文字。adv.-tily ,-tiness n.

knotty problem:  繁难的问题难解决的问题

knotty rock:  瘤状石

knotty structure:  瘤状构造

knotty liasion:  爱情百科

knotty tear:  不连续撕裂

knotty log:  多节木

knotty tearing:  不连续撕裂

knotty pulp:  木节浆

knotty glass:  有疙瘩的玻璃

Similar Words：

"a knockout ideaa" English translation, "a knockout punchh" English translation, "a knot of people arguing outside the pub" English translation, "a knot that can be easily untied" English translation, "a knotty problem" English translation, "a knotty problem question etc" English translation, "a knowing card" English translation, "a knowledge of" English translation, "a knowledge of english" English translation, "a kodansha dictionary" English translation