1.   Bilateral ties became chilled after Washington allowed Taiwanese President Lee Teng-hui to visit the United States in June, with Beijing recalling its ambassador recently.

2.   His speech comes after a spy crisis that chilled ties with Israel.

3.   The hanging has chilled ties between the two countries, which are partners in the Association of Southeast Asian Nations.

4.   The move, announced Wednesday, has chilled warm ties with China and caused a rift between Trovoada and his government.