at short notice - na požádání, kdykoliv, rychle, narychlo, v krátkém čase
BrE
/ət 'ʃɔ:t ˌnəʊtɪs/
AmE
/ət ˌʃɔ:rt 'nɒʊt̬ɪs/

adverb - immediately (after you've been told to do something)

 
encounter - setkání, náhodné setkání, střetnutí
BrE
/ɪn'kaʊntə/
AmE
/ɪn'kaʊnt̬ər/

noun - a meeting (esp. one that hasn't been expected)

package tour
package tour - zájezd
BrE
/'pækɪdʒˌtʊə/
AmE
/'pækɪdʒˌtʊər/

noun - a holiday that has been organized for you

 
other - jiný
BrE
/'ʌðə/
AmE
/'ʌðər/

adjective - different from the one that has been mentioned